# 1/2-BPS vortex strings in $\mathcal{N}=2$ supersymmetric ${\rm U}(1)^N$ gauge theories

@article{Gudnason202012BPSVS, title={1/2-BPS vortex strings in \$\mathcal\{N\}=2\$ supersymmetric \$\{\rm U\}(1)^N\$ gauge theories}, author={Sven Bjarke Gudnason and Minoru Eto and Muneto Nitta}, journal={arXiv: High Energy Physics - Theory}, year={2020} }

Strings in $\mathcal{N}=2$ supersymmetric ${\rm U}(1)^N$ gauge theories with $N$ hypermultiplets are studied in the generic setting of an arbitrary Fayet-Iliopoulos triplet of parameters for each gauge group and an invertible charge matrix. Although the string tension is generically of a square-root form, it turns out that all existing BPS (Bogomol'nyi-Prasad-Sommerfield) solutions have a tension which is linear in the magnetic fluxes, which in turn are linearly related to the winding numbers…

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